基于朴素贝叶斯的无线局域网络入侵防御技术研究  

Wireless LAN Intrusion Defense Technology Based on Naive Bayes

作　　者：胡贵恒 张震[1] 潘晓君 HU Gui-heng;ZHANG Zhen;PAN Xiao-jun(School of Information Engineering,Anhui Business and Technology College,Hefei,Anhui 231131,China)

机构地区：[1]安徽工商职业学院信息工程学院,安徽合肥231131

出　　处：《河北北方学院学报（自然科学版）》2021年第1期4-9,共6页Journal of Hebei North University:Natural Science Edition

基　　金：安徽省高等学校自然科学研究重点项目:“基于LoRa的电子行业工业洁净室环境监控系统研究”(KJ2020A1096);安徽省职业与成人教育学会重点课题:“高职院校人工智能相关专业培养适用型数据标注人才的可行性研究”(Azcg21);安徽省职业与成人教育学会科研规划项目“‘互联网+’时代高职《计算机网络》课程线上线下混合式教学设计创新研究”(Azcj085)。

摘　　要：目的为了提升无线局域网络的安全性,设计基于朴素贝叶斯的无线局域网络入侵防御技术。方法构建无线局域网络入侵码元序列频谱特征分解和检测模型,分解入侵信号尺度特征,得到码元序列的时域特征分量,结合模糊信息采样方法进行码元序列的输出转换控制,采用模糊调制方法进行码元序列的输出稳定性调节,根据检测结果实现无线局域网络入侵防御。结果仿真结果表明,采用该技术进行无线局域网络入侵防御的能耗在0.02~0.56 J变化,能耗较小;随着迭代次数的增加,该技术的平均适应度水平与最佳适应度水平越来越接近,适应度较好;应用该技术后,无线局域网络的输出功率最高达到20 dBm,输出功率得到明显提高。结论采用该技术能够降低无线局域网络被攻击的风险,提升网络安全性,实际应用效果好。Objective To improve the security of WLAN,an intrusion defense technology based on Naive Bayes is designed.Methods This paper constructed the spectrum feature decomposition and detection model of WLAN intrusion code sequence,decomposed the scale feature of intrusion signal,obtained the time domain characteristic component of symbol sequence,combined fuzzy information sampling method to control the output conversion of code sequence,used fuzzy modulation method to adjust the output stability of symbol sequence,and realized WLAN intrusion prevention according to the detection results.Results The simulation results showed that the energy consumption of wireless local area network intrusion defense technology changed from 0.02 J to 0.56 J,and the energy consumption was small;with the increase of iteration times,the average fitness level of the technology was closer to the optimal fitness level,and the adaptability was better;after the application of this technology,the maximum output power of wireless local area network reached 20 dBm,and the output power was significantly improved.Conclusion This technology can reduce the risk of WLAN attack and improve the network security,and the practical application effect is good.

关 键 词：朴素贝叶斯 无线局域网络 入侵 防御技术 

分 类 号：TP393.3[自动化与计算机技术—计算机应用技术]